using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using System.Text;
using Sandbox.Game.EntityComponents;
using Sandbox.ModAPI.Ingame;
using Sandbox.ModAPI.Interfaces;
using SpaceEngineers.Game.ModAPI.Ingame;
using VRage;
using VRage.Collections;
using VRage.Game;
using VRage.Game.Components;
using VRage.Game.GUI.TextPanel;
using VRage.Game.ModAPI.Ingame;
using VRage.Game.ModAPI.Ingame.Utilities;
using VRage.Game.ObjectBuilders.Definitions;
using VRageMath;

namespace IngameScript
{
    partial class Program : MyGridProgram
    {
        MyIni _configIni = new MyIni();
        bool _doPolling;
        string _connectorPrefix;
        bool _manageGyroscopes;
        bool _rechargeBatteries;
        bool _stockpileGasTanks;
        bool _manageThrusters;
        bool _enableAllThrustersOnUndock;
        bool _manageManueveringThrusters;
        string _maneuveringThrusterPrefix;

        MyIni _storageIni = new MyIni();
        bool _isDocked;

        public Program()
        {
            Echo("Loading storage...");
            // Parse storage configuration
            MyIniParseResult storageResult;
            if (!_storageIni.TryParse(Storage, out storageResult))
            {
                throw new Exception(
                    $"Encountered error attempting to parse storage: {storageResult}"
                );
            }
            _isDocked = _storageIni.Get("AutomaticConnectorActions", "Is_Docked").ToBoolean();

            Echo("Loading configuration...");
            // Parse CustomData configuration
            MyIniParseResult configResult;
            if (!_configIni.TryParse(Me.CustomData, out configResult))
            {
                throw new Exception(
                    $"Encountered error attempting to parse CustomData: {configResult}"
                );
            }

            // Check if the CustomData configuration contains the AutomaticConnectorActions section
            if (!_configIni.ContainsSection("AutomaticConnectorActions"))
            {
                Echo(
                    "CustomData does not contain the AutomaticConnectorActions section. Adding..."
                );
                // Write configuration to CustomData
                _configIni.AddSection("AutomaticConnectorActions");
                _configIni.Set("AutomaticConnectorActions", "Polling", true);
                _configIni.Set("AutomaticConnectorActions", "Connector_Prefix", "");
                _configIni.Set("AutomaticConnectorActions", "Manage_Gyroscopes", true);
                _configIni.Set("AutomaticConnectorActions", "Recharge_Batteries", true);
                _configIni.Set("AutomaticConnectorActions", "Stockpile_Gas_Tanks", true);
                _configIni.Set("AutomaticConnectorActions", "Manage_Thrusters", true);
                _configIni.Set(
                    "AutomaticConnectorActions",
                    "Enable_All_Thrusters_On_Undock",
                    false
                );
                _configIni.Set("AutomaticConnectorActions", "Manage_Maneuvering_Thrusters", true);
                _configIni.Set(
                    "AutomaticConnectorActions",
                    "Maneuvering_Thruster_Prefix",
                    "[MANEUVERING]"
                );
                _configIni.SetComment(
                    "AutomaticConnectorActions",
                    "Polling",
                    "If Polling is enabled, the script will check for docked/undocked connectors every 10 ticks. Otherwise, the script will only run manually."
                );
                _configIni.SetComment(
                    "AutomaticConnectorActions",
                    "Connector_Prefix",
                    "If the connector's name contains this string, the script will manage it."
                );
                _configIni.SetComment(
                    "AutomaticConnectorActions",
                    "Manage_Gyroscopes",
                    "If this is enabled, the script will disable and enable gyroscopes when docking and undocking, respectively."
                );
                _configIni.SetComment(
                    "AutomaticConnectorActions",
                    "Recharge_Batteries",
                    "If this is enabled, the script will set all batteries to recharge mode when docking and set them to auto mode when undocking."
                );
                _configIni.SetComment(
                    "AutomaticConnectorActions",
                    "Stockpile_Gas_Tanks",
                    "If this is enabled, the script will set all gas tanks to stockpile when docking and set them to not stockpile when undocking."
                );
                _configIni.SetComment(
                    "AutomaticConnectorActions",
                    "Manage_Thrusters",
                    "If this is enabled, the script will disable all thrusters when docking."
                );
                _configIni.SetComment(
                    "AutomaticConnectorActions",
                    "Enable_All_Thrusters_On_Undock",
                    "If this is enabled, the script will enable all thrusters when undocking."
                );
                _configIni.SetComment(
                    "AutomaticConnectorActions",
                    "Manage_Maneuvering_Thrusters",
                    "If this is enabled, the script will disable and enable maneuvering thrusters when docking and undocking, respectively."
                );
                _configIni.SetComment(
                    "AutomaticConnectorActions",
                    "Maneuvering_Thruster_Prefix",
                    "If the maneuvering thruster's name contains this string, the script will manage it."
                );
                Me.CustomData = _configIni.ToString();
            }

            // Set up the script's configuration
            _doPolling = _configIni.Get("AutomaticConnectorActions", "Polling").ToBoolean();
            _connectorPrefix = _configIni
                .Get("AutomaticConnectorActions", "Connector_Prefix")
                .ToString();
            _manageGyroscopes = _configIni
                .Get("AutomaticConnectorActions", "Manage_Gyroscopes")
                .ToBoolean();
            _rechargeBatteries = _configIni
                .Get("AutomaticConnectorActions", "Recharge_Batteries")
                .ToBoolean();
            _stockpileGasTanks = _configIni
                .Get("AutomaticConnectorActions", "Stockpile_Gas_Tanks")
                .ToBoolean();
            _manageThrusters = _configIni
                .Get("AutomaticConnectorActions", "Manage_Thrusters")
                .ToBoolean();
            _enableAllThrustersOnUndock = _configIni
                .Get("AutomaticConnectorActions", "Enable_All_Thrusters_On_Undock")
                .ToBoolean();
            _manageManueveringThrusters = _configIni
                .Get("AutomaticConnectorActions", "Manage_Maneuvering_Thrusters")
                .ToBoolean();
            _maneuveringThrusterPrefix = _configIni
                .Get("AutomaticConnectorActions", "Maneuvering_Thruster_Prefix")
                .ToString();
            Echo("Configuration loaded!");

            if (_doPolling == true)
            {
                Echo("Polling enabled. Script will run every 10 ticks.");
                Runtime.UpdateFrequency = UpdateFrequency.Update10;
            }
            else
            {
                Echo("Polling disabled. Script will only run manually.");
                Runtime.UpdateFrequency = UpdateFrequency.None;
            }
        }

        public void Save(bool isDocked)
        {
            _isDocked = isDocked;
            _storageIni.Clear();
            _storageIni.Set("AutomaticConnectorActions", "Is_Docked", isDocked);
            Storage = _storageIni.ToString();
        }

        private void Dock()
        {
            if (_manageThrusters == true)
            {
                Echo("Turning off grid thrusters...");
                List<IMyThrust> thrusters = new List<IMyThrust>();

                // Get all thrusters on the grid
                GridTerminalSystem.GetBlocksOfType(
                    thrusters,
                    thruster => thruster.IsSameConstructAs(Me)
                );

                // Disable all thrusters on the grid
                foreach (IMyThrust thruster in thrusters)
                {
                    thruster.Enabled = false;
                }

                Echo("Turned off grid thrusters.");
            }

            if (_manageGyroscopes == true)
            {
                Echo("Turning off grid gyroscopes...");
                List<IMyGyro> gyroscopes = new List<IMyGyro>();

                // Get all gyroscopes on the grid
                GridTerminalSystem.GetBlocksOfType(
                    gyroscopes,
                    gyroscope => gyroscope.IsSameConstructAs(Me)
                );

                // Disable all gyroscopes on the grid
                foreach (IMyGyro gyro in gyroscopes)
                {
                    gyro.Enabled = false;
                }

                Echo("Turned off grid gyroscopes.");
            }

            if (_stockpileGasTanks == true)
            {
                Echo("Setting grid gas tanks to stockpile...");
                List<IMyGasTank> gasTanks = new List<IMyGasTank>();

                // Get all gas tanks on the grid
                GridTerminalSystem.GetBlocksOfType(
                    gasTanks,
                    gasTank => gasTank.IsSameConstructAs(Me)
                );

                // Stockpile all gas tanks on the grid
                foreach (IMyGasTank gasTank in gasTanks)
                {
                    gasTank.Stockpile = true;
                }

                Echo("Set grid gas tanks to stockpile.");
            }

            if (_rechargeBatteries == true)
            {
                Echo("Setting grid batteries to recharge...");
                List<IMyBatteryBlock> batteries = new List<IMyBatteryBlock>();

                // Get all batteries on the grid
                GridTerminalSystem.GetBlocksOfType(
                    batteries,
                    battery => battery.IsSameConstructAs(Me)
                );

                foreach (IMyBatteryBlock battery in batteries)
                {
                    battery.ChargeMode = ChargeMode.Recharge;
                }
                Echo("Set grid batteries to recharge.");
            }

            Save(true);
        }

        private void Undock()
        {
            if (_rechargeBatteries == true)
            {
                Echo("Setting grid batteries to auto...");
                List<IMyBatteryBlock> batteries = new List<IMyBatteryBlock>();

                // Get all batteries on the grid
                GridTerminalSystem.GetBlocksOfType(
                    batteries,
                    battery => battery.IsSameConstructAs(Me)
                );

                // Set all batteries on the grid to auto
                foreach (IMyBatteryBlock battery in batteries)
                {
                    battery.ChargeMode = ChargeMode.Auto;
                }

                Echo("Set grid batteries to auto.");
            }

            if (_stockpileGasTanks == true)
            {
                Echo("Setting grid gas tanks to not stockpile...");
                List<IMyGasTank> gasTanks = new List<IMyGasTank>();

                // Get all gas tanks on the grid
                GridTerminalSystem.GetBlocksOfType(
                    gasTanks,
                    gasTank => gasTank.IsSameConstructAs(Me)
                );

                // Disable stockpiling on all gas tanks on the grid
                foreach (IMyGasTank gasTank in gasTanks)
                {
                    gasTank.Stockpile = false;
                }

                Echo("Set grid gas tanks to not stockpile.");
            }

            if (_manageGyroscopes == true)
            {
                Echo("Turning on grid gyroscopes...");
                List<IMyGyro> gyroscopes = new List<IMyGyro>();

                // Get all gyroscopes on the grid
                GridTerminalSystem.GetBlocksOfType(
                    gyroscopes,
                    gyroscope => gyroscope.IsSameConstructAs(Me)
                );

                // Enable all gyroscopes on the grid
                foreach (IMyGyro gyro in gyroscopes)
                {
                    gyro.Enabled = true;
                }

                Echo("Turned on grid gyroscopes.");
            }

            if (_manageManueveringThrusters == true)
            {
                Echo("Turning on grid maneuvering thrusters...");
                List<IMyThrust> maneuveringThrusters = new List<IMyThrust>();

                // Get all thrusters on the grid that are considered maneuvering thrusters
                GridTerminalSystem.GetBlocksOfType(
                    maneuveringThrusters,
                    maneuveringThruster =>
                        maneuveringThruster.IsSameConstructAs(Me)
                        && maneuveringThruster.CustomName.Contains(_maneuveringThrusterPrefix)
                );

                // Enable all maneuvering thrusters on the grid
                foreach (IMyThrust maneuveringThruster in maneuveringThrusters)
                {
                    maneuveringThruster.Enabled = true;
                }

                Echo("Turned on grid maneuvering thrusters.");
            }

            if (_enableAllThrustersOnUndock == true)
            {
                Echo("Turning on grid thrusters...");
                List<IMyThrust> thrusters = new List<IMyThrust>();

                // Get all thrusters on the grid
                GridTerminalSystem.GetBlocksOfType(
                    thrusters,
                    thruster => thruster.IsSameConstructAs(Me)
                );

                // Enable all thrusters on the grid
                foreach (IMyThrust thruster in thrusters)
                {
                    thruster.Enabled = true;
                }

                Echo("Turned on grid thrusters.");
            }

            Save(false);
        }

        public void Main(string argument, UpdateType updateSource)
        {
            if (argument == "dock")
            {
                Echo("Script ran manually. Docking...");
                Dock();
                Echo("Docking complete!");
            }
            else if (argument == "undock")
            {
                Echo("Script ran manually. Undocking...");
                Undock();
                Echo("Undocking complete!");
            }
            else if (string.IsNullOrEmpty(argument))
            {
                Echo("Polling...");
                List<IMyShipConnector> connectors = new List<IMyShipConnector>();

                // Get all connectors on the grid
                GridTerminalSystem.GetBlocksOfType(
                    connectors,
                    connector =>
                        connector.IsSameConstructAs(Me)
                        && connector.CustomName.Contains(_connectorPrefix)
                );

                if (_isDocked == true)
                {
                    foreach (IMyShipConnector connector in connectors)
                    {
                        if (connector.IsConnected == _isDocked)
                        {
                            return;
                        }
                    }
                    Undock();
                }
            }
            else
            {
                Echo("Invalid argument.");
            }
        }
    }
}